FirstEnergy Corp., together with its subsidiaries, engages in the generation, distribution, and transmission of electricity in the United States. It operates through Distribution, Integrated, and Stand-Alone Transmission segments. The company owns and operates coal-fired, nuclear, hydroelectric, wind, and solar power generating facilities. It operates 252,244 distribution line miles and 24,143 transmission line miles, including overhead pole line and underground conduit carrying primary, secondary, and street lighting circuits.
